GWC AE2220 USB 2.0 Ethernet Adapter Compliant with USB 2.0 and USB 1.1 specifications. Compliant with IEEE 802.3 (10Base-T) and 802.3u (100Base-TX) standards. Supports both full-duplex and half-duplex operations. Supports suspend mode and remote wakeup via link-up and magic packet. Powered by USB port. No external power adapter required. Equipped with diagnostic LEDs. Plug & Play installation.